/*****************/
/* STICKY TOPBAR */
/*****************/
#brx-header {
  background: transparent;
  -webkit-transition: background 0.5s ease-in-out;
  -o-transition: background 0.5s ease-in-out;
  transition: background 0.5s ease-in-out;
}
#brx-header.scrolling {
  background: rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(2px);
}
.color-scheme--alt #brx-header.scrolling {
  background: rgba(255, 255, 255, 0.8);
}